include <bits/stdc++.h>
template void scan(T &x) { x = 0; bool neg = 0; register T c = getchar();
if (c == '-') neg = 1, c = getchar(); while ((c < 48) || (c > 57)) c = getchar(); for ( ; c < 48||c > 57 ; c = getchar()); for ( ; c > 47 && c < 58; c = getchar() ) x= (x << 3) + ( x << 1 ) + ( c & 15 ); if (neg) x *= -1;
}
template void print(T n) { bool neg = 0;
if (n < 0) n *= -1, neg = 1; char snum[65]; int i = 0; do { snum[i++] = n % 10 + '0'; n /= 10; } while (n); --i; if (neg) putchar('-'); while (i >= 0) putchar(snum[i--]); putchar('\n');
}
// Driver Program int main() { int value;
// Taking input scan(value); // Printing output print(value); return 0;
}